| Locality | Post Code |
|---|---|
| Albany, Delaware | 47320 |
| Anthony, Delaware | 47303 |
| Breezewood Park, Delaware | 47302 |
| Brewington Woods, Delaware | 47304 |
| Cammack, Delaware | 47304 |
| Cook Acres, Delaware | 47303 |
| Country Terrace, Delaware | 47303 |
| Cowan, Delaware | 47302 |
| Daleville, Delaware | 47334 |
| Desoto, Delaware | 47303 |
| Eaton, Delaware | 47338 |
| Gaston, Delaware | 47342 |
| Granville, Delaware | 47338 |
| Hamilton Park, Delaware | 47303 |
| Hills and Dales, Delaware | 47383 |
| Hyde Park, Delaware | 47302 |
| Medford, Delaware | 47302 |
| Muncie, Delaware | 47302, 47303, 47304, 47305, 47306 |
| New Burlington, Delaware | 47302 |
| Niles, Delaware | 47338 |
| Oakville, Delaware | 47367 |
| Progress, Delaware | 47302 |
| Royerton, Delaware | 47303 |
| Selma, Delaware | 47383 |
| Shideler, Delaware | 47338 |
| Smithfield, Delaware | 47383 |